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Finding the Fourth Proportional to 486,603.66, 729,905.49 and 249,814.74

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Solution

The fourth proportional to 486,603.66, 729,905.49 and 249,814.74 is: 374,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,603.66 : 729,905.49 = 249,814.74 : x
  2. Step 2: Convert to fraction form
    486,603.66/729,905.49 = 249,814.74/x
  3. Step 3: Cross multiply
    486,603.66x = 729,905.49 × 249,814.74
  4. Step 4: Simplify right side
    486,603.66x = 182,341,150,208.92
  5. Step 5: Solve for x
    x = 182,341,150,208.92/486,603.66
  6. Step 6: Final answer
    x = 374,722.11

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.